Home / 22,267.23-30,729.15-12,195.56

Finding the Fourth Proportional to 22,267.23, 30,729.15 and 12,195.56

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Solution

The fourth proportional to 22,267.23, 30,729.15 and 12,195.56 is: 16,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267.23 : 30,729.15 = 12,195.56 : x
  2. Step 2: Convert to fraction form
    22,267.23/30,729.15 = 12,195.56/x
  3. Step 3: Cross multiply
    22,267.23x = 30,729.15 × 12,195.56
  4. Step 4: Simplify right side
    22,267.23x = 374,759,038.93
  5. Step 5: Solve for x
    x = 374,759,038.93/22,267.23
  6. Step 6: Final answer
    x = 16,830.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.